Dec 232012
 

Ears

A dog can hear sounds 250 yards away that most people cannot hear beyond 25 yards. The human ear can detect sound waves vibrating at frequencies up to 20,000 times a second. But dogs can hear sound waves that vibrate at frequencies of more than 30,000 times a second.  Bella can hear the UPS truck bringing her healthy training treats about 2 minutes before we can see him pulling up to the house.

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